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I often go to  1 with my friends, Mike. My   2 actor is Paul Jackson. He has a new movie, My Father’s   3.It’s a very funny   4 Mike likes the actor Rick Smith. He  5 likes his movie, Black  6 .It’s a very  7  movie, but I think it’s 8 . One   9_____ thing: Mike is English, but he likes Beijing Opera! He often goes to see Beijing Opera on  10 .Mike’s  father likes it, too!

一种测量血管中血流速度的仪器原理如图所示，在动脉血管上下两侧分别安装电极并加有磁场．设血管直径是2．0 mm，磁场的磁感应强度为0．080 T，电压表测出的电压为0．10 mV，求血流速度的大小。